Laski, Harold J.
George Allen and Unwin, 1948
Buku Teks
Laski, Harold J.
George Allen and Unwin, 1950
Buku Teks
Laski, Harold J.
George Allen and Unwin, 1955
Buku Teks
Laski, Harold J.
George Allen and Unwin, 1957
Buku Teks
Lee, Hansol H.B.
Oxford University Pres, 1989
Buku Referensi